:root {
  --ink: #29393b;
  --muted: #69797b;
  --paper: #fffefa;
  --coral: #ff6c5f;
  --teal: #20bdb8;
  --teal-deep: #117c81;
  --yellow: #ffd95b;
  --line: #dce8e5;
  --shadow: 0 14px 34px rgba(35, 84, 83, .12);
  --font: "Hiragino Maru Gothic ProN", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #1266a2; outline-offset: 5px; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; background: #fff; padding: 10px 18px; border-radius: 0 0 8px 8px; }
.skip-link:focus { top: 0; }
.back-to-top { position: fixed; z-index: 80; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom)); min-height: 44px; display: inline-flex; align-items: center; gap: 8px; padding: 8px 15px; border: 2px solid var(--teal); border-radius: 100px; color: var(--teal-deep); background: rgba(255,255,255,.94); box-shadow: 0 8px 22px rgba(35,84,83,.16); font-size: 12px; font-weight: 800; line-height: 1; text-decoration: none; backdrop-filter: blur(6px); transition: transform .18s ease, box-shadow .18s ease; }
.back-to-top span { font: 900 17px/1 Arial, sans-serif; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 11px 26px rgba(35,84,83,.2); }
.section { position: relative; padding-block: 92px; }
.section-title { text-align: center; font-size: clamp(25px, 3vw, 34px); line-height: 1.5; letter-spacing: .06em; }
.section-title::before, .section-title::after { content: ""; display: inline-block; width: 26px; border-top: 3px solid currentColor; opacity: .25; vertical-align: .32em; margin: 0 14px; transform: rotate(58deg); }
.section-title::after { transform: rotate(-58deg); }
.left-title { text-align: left; }
.left-title::before, .left-title::after { display: none; }
.blob { position: absolute; display: block; border-radius: 48% 52% 55% 45% / 58% 42% 58% 42%; pointer-events: none; }

/* Hero */
.hero { min-height: 760px; position: relative; display: flex; align-items: center; isolation: isolate; overflow: hidden; padding: 72px 0 80px; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; background-image: radial-gradient(circle, rgba(32,189,184,.3) 2px, transparent 2.5px); background-size: 26px 26px; opacity: .13; mask-image: linear-gradient(120deg, transparent 0 45%, #000 75% 100%); }
.hero-blob-a { width: 480px; height: 370px; right: -105px; top: -150px; background: #aee8e9; transform: rotate(12deg); z-index: -2; }
.hero-blob-b { width: 330px; height: 260px; right: -80px; top: -36px; background: #ffde69; transform: rotate(35deg); z-index: -1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 45px; align-items: center; }
.hero-kicker { font-size: 13px; font-weight: 700; letter-spacing: .1em; margin-bottom: 20px; }
.hero h1 { font-size: clamp(45px, 4.8vw, 64px); line-height: 1.42; letter-spacing: .025em; font-weight: 800; }
.hero h1 span { display: block; white-space: nowrap; }
.hero-lead { width: 100%; margin-top: 18px; font-size: clamp(11px, 1.15vw, 15px); line-height: 2; font-weight: 700; letter-spacing: .02em; text-align: center; white-space: nowrap; }
.hero-badges { display: flex; justify-content: center; gap: 24px; margin-top: 26px; }
.round-badge { width: 145px; height: 145px; border-radius: 50%; color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; box-shadow: inset 0 0 0 7px rgba(255,255,255,.22), 0 8px 20px rgba(38,89,87,.12); }
.round-badge.coral { background: var(--coral); }
.round-badge.teal { background: var(--teal); }
.round-badge strong { display: block; font: 800 28px/1.1 Arial, sans-serif; }
.round-badge strong small { font: 700 12px/1 var(--font); }
.round-badge span { margin-top: 6px; font-size: 11px; line-height: 1.55; font-weight: 700; }
.hero-copy .cta { margin: 32px auto 0; }
.cta { width: fit-content; min-width: 360px; min-height: 68px; padding: 16px 27px; border-radius: 100px; display: flex; align-items: center; justify-content: center; gap: 14px; color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .05em; background: linear-gradient(135deg, #ff7868, #ff5f59); box-shadow: 0 10px 0 rgba(192, 66, 59, .13), 0 18px 28px rgba(220, 81, 74, .18); transition: transform .18s ease, box-shadow .18s ease; }
.cta:hover { transform: translateY(-3px); box-shadow: 0 13px 0 rgba(192, 66, 59, .12), 0 22px 32px rgba(220, 81, 74, .19); }
.gift-icon { flex: 0 0 auto; width: 31px; height: 31px; display: grid; place-items: center; }
.gift-icon svg { width: 100%; height: 100%; }
.sub-link { width: fit-content; margin: 22px auto 0; display: block; padding: 4px 24px; border: 1px solid #cbdcda; border-radius: 100px; text-decoration: none; font-size: 12px; font-weight: 700; }
.hero-art { position: relative; padding: 50px 0; }
.hero-art::before { content: ""; position: absolute; inset: 12px -42px 2px -28px; z-index: -1; background: #cbf0ed; border-radius: 48% 52% 35% 65% / 55% 36% 64% 45%; transform: rotate(-5deg); }
.hero-art img { width: 100%; border: 12px solid #fff; border-radius: 10px; transform: rotate(4deg); box-shadow: var(--shadow); }
.spark { position: absolute; z-index: 2; color: var(--yellow); font-size: 33px; }
.spark-a { left: 5px; top: 5px; }
.spark-b { right: 12px; bottom: 12px; color: var(--coral); }

/* Problem */
.problem { background: linear-gradient(180deg, #f3f9fc 0 62%, #fff 62%); }
.problem::before { content: ""; position: absolute; left: -180px; top: 30px; width: 370px; height: 440px; background: #ffe6df; border-radius: 47% 53% 52% 48% / 35% 48% 52% 65%; opacity: .65; }
.eyebrow { width: fit-content; padding: 8px 20px; border-radius: 100px; background: #fff; box-shadow: 0 8px 24px rgba(38,74,79,.08); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.problem-grid { display: grid; grid-template-columns: .95fr 1fr 1.12fr; gap: 30px; align-items: end; margin-top: 24px; }
.problem-copy { align-self: center; position: relative; z-index: 1; }
.problem-copy h2 { font-size: clamp(23px, 2.3vw, 31px); line-height: 1.8; letter-spacing: .035em; }
.speech-card { width: 88%; margin: 32px auto 0; position: relative; background: #fff; border: 2px solid #dfe8e9; border-radius: 24px; padding: 22px 26px; transform: rotate(-2deg); box-shadow: 0 8px 20px rgba(45,76,79,.07); }
.speech-card::after { content: ""; position: absolute; right: 30px; bottom: -18px; width: 36px; height: 28px; background: #fff; clip-path: polygon(0 0, 100% 0, 100% 100%); }
.speech-card strong { display: block; margin-top: 14px; font-size: 16px; line-height: 1.75; color: var(--teal-deep); }
.speech-card p { font-size: 13px; line-height: 1.85; }
.speech-card .speech-body { margin-top: 0; }
.problem-visual { position: relative; padding-top: 158px; }
.problem-visual .problem-image { width: 100%; border-radius: 47% 53% 20% 80% / 39% 48% 52% 61%; }
.problem-visual.after { padding-top: 180px; }
.problem-visual.after .problem-image { border-radius: 54% 46% 45% 55% / 43% 43% 57% 57%; }
.problem-visual figcaption { margin-top: 8px; padding-right: 8px; color: #687978; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-align: right; }
.situation-bubble { position: absolute; z-index: 2; width: 76%; max-width: none; top: 12px; left: -2%; mix-blend-mode: multiply; filter: contrast(1.08); }
.problem-visual.after .situation-bubble { width: 78%; top: 0; right: -2%; left: auto; }

/* How */
.how { padding-top: 76px; background-image: radial-gradient(circle, rgba(32,189,184,.32) 2px, transparent 2.4px); background-size: 25px 25px; background-repeat: repeat-x; background-position: left 22px; }
.steps { display: grid; grid-template-columns: 1fr 70px 1fr; gap: 18px; align-items: center; margin-top: 44px; }
.step { min-height: 260px; position: relative; display: grid; grid-template-columns: 86px 1fr; gap: 20px; border: 3px solid; border-radius: 28px; padding: 30px; overflow: hidden; background: #fff; }
.step-coral { border-color: #ffc8b9; }
.step-teal { border-color: #9de0dc; }
.step-number { align-self: start; width: 74px; height: 74px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; background: var(--coral); font: 800 28px/1 Arial, sans-serif; }
.step-teal .step-number { background: var(--teal); }
.step-number span { display: block; margin-bottom: 4px; font: 700 10px/1 Arial, sans-serif; letter-spacing: .1em; }
.step h3 { font-size: 22px; line-height: 1.6; letter-spacing: .025em; white-space: nowrap; }
.step-content > p { margin-top: 14px; font-size: 15px; line-height: 1.85; }
.steps-arrow { font-size: 62px; color: var(--teal); text-align: center; font-weight: 900; }
.note { margin-top: 28px; text-align: center; font-weight: 700; letter-spacing: .06em; }

/* Voices */
.voices { background: linear-gradient(180deg, #fff 0, #fffdf7 100%); }
.ornament { font-size: clamp(23px, 2.7vw, 31px); }
.voice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; margin-top: 42px; }
.voice-card { position: relative; min-height: 250px; padding: 34px 38px 28px; background: #fff; border: 3px solid; border-radius: 22px; box-shadow: 0 12px 30px rgba(58,87,82,.07); }
.voice-card.giver { border-color: #ffd4c8; }
.voice-card.receiver { border-color: #bde8df; }
.voice-card > span { display: inline-block; margin-bottom: 18px; padding: 5px 13px; border-radius: 100px; background: var(--coral); color: #fff; font-size: 12px; font-weight: 800; }
.voice-card.receiver > span { background: var(--teal); }
.voice-card blockquote { font-size: 15px; line-height: 2.05; }
.voice-card figcaption { margin-top: 20px; text-align: right; font-size: 12px; color: var(--muted); }

/* Gift */
.gift-section { isolation: isolate; overflow: hidden; background: linear-gradient(135deg, #fff4e8 0%, #fffdf7 48%, #ecfaf8 100%); }
.gift-section::before { content: ""; position: absolute; z-index: -1; width: 310px; height: 310px; right: -95px; top: -115px; border-radius: 50%; background: rgba(255,217,91,.45); }
.gift-section::after { content: ""; position: absolute; z-index: -1; width: 260px; height: 220px; left: -110px; bottom: -105px; border-radius: 52% 48% 55% 45%; background: rgba(32,189,184,.16); transform: rotate(18deg); }
.gift-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.gift-copy { position: relative; z-index: 2; }
.gift-kicker { display: inline-block; padding: 7px 17px; border-radius: 100px; background: #fff; color: var(--teal-deep); box-shadow: 0 7px 20px rgba(38,74,79,.08); font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.gift-copy h2 { margin-top: 18px; font-size: clamp(30px, 3.8vw, 46px); line-height: 1.5; letter-spacing: .035em; }
.gift-copy > p:not(.gift-kicker, .gift-note) { margin-top: 18px; font-size: 16px; line-height: 2; }
.gift-copy .gift-lead { margin-top: 22px; color: var(--coral); font-size: 21px; }
.gift-copy .cta { margin-top: 28px; }
.gift-note { margin-top: 17px; color: var(--muted); font-size: 13px; font-weight: 700; text-align: center; }
.gift-visual { position: relative; margin-right: -5%; }
.gift-visual::before { content: "10枚セット"; position: absolute; z-index: 2; right: 3%; top: 5%; display: grid; place-items: center; width: 108px; height: 108px; border-radius: 50%; color: #fff; background: var(--teal); box-shadow: inset 0 0 0 6px rgba(255,255,255,.24), 0 10px 25px rgba(27,113,111,.2); font-size: 16px; font-weight: 800; letter-spacing: .04em; transform: rotate(8deg); }
.gift-visual img { width: 100%; filter: drop-shadow(0 18px 24px rgba(42,83,79,.13)); }

/* Project overview */
.project-overview { padding-block: 78px 70px; text-align: center; background: linear-gradient(160deg, #edf9f8 0 62%, #fff7e9 62%); }
.project-overview-kicker { color: var(--teal-deep); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.project-overview h2 { margin-top: 9px; font-size: clamp(34px, 4.8vw, 54px); line-height: 1.45; letter-spacing: .05em; }
.project-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 38px; }
.project-nav a { min-height: 96px; display: flex; align-items: center; justify-content: center; gap: 11px; padding: 18px 14px; border: 2px solid #d8e9e6; border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: 0 9px 24px rgba(49,90,86,.07); text-decoration: none; font-size: 14px; font-weight: 800; }
.project-nav a:nth-child(even) { border-color: #f2d9c1; }
.project-nav a span { color: var(--coral); font: 800 18px/1 Arial, sans-serif; }
.project-nav a:nth-child(even) span { color: var(--teal-deep); }
.chapter-heading { display: flex; align-items: center; gap: 20px; }
.chapter-heading > span { flex: 0 0 auto; width: 68px; height: 68px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--teal); font: 800 22px/1 Arial, sans-serif; box-shadow: inset 0 0 0 5px rgba(255,255,255,.25); }
.chapter-heading h2 { font-size: clamp(28px, 3.5vw, 40px); line-height: 1.45; letter-spacing: .04em; }
.text-link { display: table; margin: 28px auto 0; font-size: 13px; font-weight: 700; }
.inline-link { margin: 20px 0 0; }

/* About */
.about { padding-top: 86px; }
.about-intro { display: grid; grid-template-columns: 1fr .9fr; gap: 42px; align-items: center; margin-top: 34px; }
.about-lead { font-size: 16px; line-height: 2.05; }
.about-lead p + p { margin-top: 17px; }
.about-activity-photo { padding: 9px; border-radius: 22px; background: #fff; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.about-activity-photo img { width: 100%; border-radius: 14px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; margin-top: 36px; }
.about-stats article { min-height: 268px; padding: 24px 22px; text-align: center; border: 2px dashed #ffd1c8; border-radius: 24px; background: rgba(255,255,255,.72); }
.about-stats article:nth-child(even) { border-color: #bde8df; }
.stat-icon { width: 78px; height: 78px; display: grid; place-items: center; margin: 0 auto; }
.stat-icon img { width: 100%; height: 100%; object-fit: contain; }
.about-stats strong { display: block; margin-top: 10px; color: var(--ink); font: 800 27px/1.3 Arial, sans-serif; }
.about-stats strong small { display: inline-block; font: 800 14px/1.4 var(--font); }
.about-stats p { margin: 13px auto 0; max-width: 220px; font-size: 13px; line-height: 1.85; }
.mission-block { display: grid; grid-template-columns: .72fr 1.28fr; gap: 56px; align-items: center; margin-top: 78px; padding: 50px; border-radius: 28px; background: linear-gradient(120deg, #fff3e8, #fff 46%); box-shadow: 0 14px 34px rgba(48,82,78,.07); }
.mission-copy h3 { font-size: clamp(27px, 3.3vw, 41px); line-height: 1.5; letter-spacing: .04em; }
.mission-copy p { margin-top: 20px; font-size: 15px; line-height: 2; }
.cycle-figure { padding: 14px; background: #fff; border-radius: 20px; box-shadow: var(--shadow); }
.character-block { display: grid; grid-template-columns: 1fr .9fr; gap: 52px; align-items: center; margin-top: 58px; padding-top: 58px; border-top: 1px dashed #d8e6e3; }
.character-block figure { padding: 13px; border-radius: 18px; background: #fff; box-shadow: var(--shadow); transform: rotate(-2deg); }
.character-block figure img { border-radius: 8px; }
.character-label { color: var(--coral); font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.character-block h3 { margin-top: 8px; font-size: clamp(25px, 3vw, 36px); line-height: 1.55; }
.character-block div > p:not(.character-label) { margin-top: 18px; font-size: 15px; line-height: 2; }

/* History */
.history { background: linear-gradient(180deg, #fff7e9, #fff); }
.history-lead { max-width: none; margin: 26px 0 0 88px; font-size: 15px; line-height: 2; }
.timeline { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding: 0; margin: 36px 0 0; }
.timeline li { min-height: 268px; position: relative; padding: 28px; border: 3px solid; border-radius: 18px; background: rgba(255,255,255,.86); }
.timeline li:not(:last-child)::after { content: "···›"; position: absolute; right: -31px; top: 53%; z-index: 2; color: #9ab9b6; font-weight: 900; letter-spacing: 2px; }
.year-2024 { border-color: #ffb9ae !important; }
.year-2025 { border-color: #78d5d1 !important; }
.year-2026 { border-color: #b8df83 !important; }
.year-heading { display: flex; align-items: center; gap: 12px; min-height: 54px; }
.year-icon { flex: 0 0 auto; width: 56px; height: 56px; display: grid; place-items: center; }
.year-icon img { width: 100%; height: 100%; object-fit: contain; }
.year { display: inline-block; color: var(--coral); font: 800 25px/1.4 Arial, sans-serif; }
.year-2025 .year { color: var(--teal-deep); }
.year-2026 .year { color: #6da941; }
.timeline h3 { margin-top: 6px; color: inherit; font-size: 20px; }
.timeline p { margin-top: 12px; font-size: 13px; line-height: 1.85; }
.timeline .accent { color: var(--coral); font-weight: 800; }
.timeline a { display: inline-block; margin-top: 12px; font-size: 12px; font-weight: 700; }

/* Message */
.message { padding-top: 76px; }
.message-card { display: grid; grid-template-columns: 220px 1fr; gap: 42px; align-items: center; margin-top: 36px; padding: 36px 52px; border: 3px solid #fae4c7; border-radius: 20px; background: #fff; box-shadow: 0 12px 28px rgba(75,93,83,.06); }
.message-photo { width: 180px; height: 180px; border-radius: 50%; overflow: hidden; box-shadow: 0 0 0 10px #eff8f6; }
.message-photo img { width: 100%; height: 100%; object-fit: cover; }
.message-card h3 { font-size: 20px; text-align: left; }
.message-card blockquote { margin-top: 10px; font-size: 15px; line-height: 2; }
.message-card > div > p { margin-top: 15px; display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; }
.message-card > div > p strong { font-size: 15px; }
.message-card > div > p span { font-size: 11px; color: var(--muted); }
.comment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 24px; }
.support-comment { padding: 28px 30px; border: 2px solid #dcece9; border-radius: 18px; background: #fff; }
.support-comment:nth-child(even) { border-color: #f5ddc8; }
.support-comment-image { width: 96px; height: 96px; display: block; margin: 0 auto 20px; border: 5px solid #eef8f6; border-radius: 50%; object-fit: cover; box-shadow: 0 7px 18px rgba(58,87,82,.1); }
.support-comment-image-illustration { width: 128px; object-fit: contain; border-color: #fff5e9; border-radius: 16px; }
.support-comment blockquote { font-size: 14px; line-height: 2; }
.support-comment p { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 13px; margin-top: 16px; }
.support-comment p strong { font-size: 14px; }
.support-comment p span { color: var(--muted); font-size: 11px; }

/* FAQ */
.faq { padding-top: 70px; background: linear-gradient(180deg, #fff, #f7fbfa); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 34px; margin-top: 35px; }
details { background: #fff; border: 1px solid #dce5e2; border-radius: 11px; }
summary { list-style: none; cursor: pointer; position: relative; padding: 15px 50px 15px 18px; font-size: 13px; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--teal-deep); font-size: 21px; }
details[open] summary::after { content: "−"; }
details p { padding: 0 18px 18px; font-size: 13px; line-height: 1.85; }

/* Final / Footer */
.final-cta { position: relative; isolation: isolate; overflow: hidden; padding: 65px 0 58px; }
.final-blob-a { width: 330px; height: 230px; left: -80px; bottom: -110px; background: #ffa594; z-index: -1; }
.final-blob-b { width: 350px; height: 250px; right: -115px; bottom: -125px; background: #bdebea; z-index: -1; transform: rotate(-14deg); }
.final-grid { display: grid; grid-template-columns: 1fr auto; gap: 45px; align-items: center; }
.final-grid h2 { max-width: 610px; font-size: clamp(24px, 3vw, 34px); line-height: 1.55; }
.final-grid p:not(.final-spark) { margin-top: 8px; font-size: 15px; }
.final-spark { color: var(--yellow); font-size: 27px; }
.footer { background: #68c990; color: #fff; padding: 16px 0 9px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-brand { background: rgba(255,255,255,.9); border-radius: 10px; padding: 4px 12px; }
.footer-brand img { width: 130px; height: auto; }
.footer nav { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px 22px; }
.footer nav a { font-size: 10px; font-weight: 700; text-decoration: none; }
.copyright { text-align: center; margin-top: 8px; padding-top: 7px; border-top: 1px solid rgba(255,255,255,.24); font-size: 9px; }

@media (min-width: 981px) {
  .history-lead { white-space: nowrap; }
}

@media (max-width: 980px) {
  .wrap { width: min(100% - 44px, 880px); }
  .hero { min-height: 0; padding-top: 54px; }
  .hero-grid { gap: 34px; }
  .hero h1 { font-size: 44px; }
  .round-badge { width: 122px; height: 122px; }
  .round-badge strong { font-size: 24px; }
  .cta { min-width: 330px; font-size: 14px; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .problem-copy { grid-column: 1 / -1; text-align: center; }
  .speech-card { max-width: 470px; }
  .problem-visual { max-width: 370px; justify-self: center; }
  .steps { grid-template-columns: 1fr; }
  .steps-arrow { transform: rotate(90deg); line-height: .7; }
  .step { min-height: 0; }
  .gift-grid { gap: 34px; }
  .gift-visual { margin-right: -2%; }
  .project-nav { grid-template-columns: repeat(2, 1fr); }
  .mission-block { grid-template-columns: 1fr; gap: 34px; padding: 40px; }
  .character-block { gap: 34px; }
  .message-card { grid-template-columns: 170px 1fr; }
}

@media (max-width: 700px) {
  body { font-size: 15px; }
  .back-to-top { right: 10px; bottom: calc(10px + env(safe-area-inset-bottom)); min-height: 40px; padding: 7px 12px; font-size: 10px; }
  .back-to-top span { font-size: 15px; }
  .wrap { width: calc(100% - 36px); }
  .section { padding-block: 64px; }
  .section-title { font-size: 23px; line-height: 1.65; }
  .section-title::before, .section-title::after { width: 16px; margin-inline: 8px; }
  .hero { padding: 42px 0 62px; }
  .hero::before { display: none; }
  .hero-blob-a { width: 260px; height: 210px; right: -105px; top: -88px; }
  .hero-blob-b { width: 190px; height: 145px; right: -78px; top: -32px; }
  .hero-grid { display: flex; flex-direction: column; }
  .hero-copy { width: 100%; text-align: center; }
  .hero-kicker { font-size: 10px; line-height: 1.75; padding-inline: 18px; }
  .hero h1 { font-size: clamp(31px, 9.2vw, 43px); line-height: 1.52; }
  .hero-lead { margin-top: 8px; font-size: 14px; white-space: normal; }
  .hero-badges { gap: 13px; }
  .round-badge { width: 118px; height: 118px; }
  .round-badge strong { font-size: 22px; }
  .round-badge span { font-size: 9px; }
  .cta { min-width: 0; width: min(100%, 370px); min-height: 62px; padding: 14px 17px; gap: 10px; font-size: 14px; }
  .hero-art { order: -1; width: min(95%, 490px); padding: 36px 0 24px; }
  .hero-art::before { inset: 4px -22px -2px -18px; }
  .hero-art img { border-width: 7px; }
  .spark { font-size: 23px; }
  .problem { background: linear-gradient(180deg, #f3f9fc 0 84%, #fff 84%); }
  .problem::before { display: none; }
  .eyebrow { margin-inline: auto; font-size: 11px; }
  .problem-grid { display: flex; flex-direction: column; gap: 22px; align-items: center; }
  .problem-copy h2 { margin-top: 12px; font-size: 20px; line-height: 1.8; }
  .speech-card { width: 100%; padding: 20px; }
  .speech-card strong { font-size: 15px; }
  .problem-visual { width: min(92%, 350px); padding-top: 170px; }
  .problem-visual.after { padding-top: 195px; }
  .situation-bubble { width: 74%; left: 2%; }
  .problem-visual.after .situation-bubble { width: 78%; right: 2%; }
  .steps { margin-top: 30px; gap: 15px; }
  .step { min-height: 0; display: block; padding: 22px 19px 25px; border-width: 2px; border-radius: 21px; }
  .step-number { width: 58px; height: 58px; font-size: 22px; }
  .step-number span { font-size: 8px; }
  .step-content { margin-top: 15px; }
  .step h3 { font-size: 15px; letter-spacing: 0; }
  .step-content > p { font-size: 14px; }
  .steps-arrow { font-size: 45px; }
  .note { font-size: 13px; }
  .voice-grid { grid-template-columns: 1fr; gap: 18px; margin-top: 30px; }
  .voice-card { min-height: 0; padding: 27px 24px 22px; }
  .voice-card blockquote { font-size: 14px; }
  .gift-grid { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .gift-kicker { font-size: 11px; }
  .gift-copy h2 { font-size: 27px; line-height: 1.55; }
  .gift-copy > p:not(.gift-kicker, .gift-note) { font-size: 14px; }
  .gift-copy .gift-lead { font-size: 18px; }
  .gift-copy .cta { margin-inline: auto; }
  .gift-visual { width: 100%; max-width: 520px; margin: -8px auto 0; padding-inline: 4px; box-sizing: border-box; }
  .gift-visual::before { width: 76px; height: 76px; right: 4px; font-size: 12px; }
  .gift-visual img { width: 100%; height: auto; object-fit: contain; }
  .project-overview { padding-block: 58px; }
  .project-overview-kicker { font-size: 11px; }
  .project-overview h2 { font-size: 31px; }
  .project-nav { gap: 10px; margin-top: 28px; }
  .project-nav a { min-height: 86px; flex-direction: column; gap: 7px; padding: 13px 8px; font-size: 12px; }
  .project-nav a span { font-size: 15px; }
  .chapter-heading { gap: 14px; }
  .chapter-heading > span { width: 56px; height: 56px; font-size: 18px; }
  .chapter-heading h2 { font-size: 26px; }
  .cycle-figure { padding: 6px; border-radius: 12px; }
  .about { padding-top: 58px; }
  .about-intro { grid-template-columns: 1fr; gap: 24px; margin-top: 28px; }
  .about-lead { font-size: 14px; line-height: 2; }
  .history-lead { margin: 22px 0 0; font-size: 14px; line-height: 2; }
  .about-activity-photo { padding: 6px; border-radius: 16px; transform: none; }
  .about-activity-photo img { border-radius: 11px; }
  .about-stats { grid-template-columns: 1fr; gap: 10px; }
  .about-stats article { min-height: 0; padding: 22px 18px; }
  .stat-icon { width: 72px; height: 72px; }
  .about-stats strong { font-size: 23px; }
  .about-stats p { font-size: 13px; }
  .mission-block { gap: 27px; margin-top: 48px; padding: 25px 20px; border-radius: 20px; }
  .mission-copy h3 { font-size: 28px; }
  .mission-copy p { font-size: 14px; }
  .character-block { grid-template-columns: 1fr; gap: 28px; margin-top: 45px; padding-top: 45px; }
  .character-block h3 { font-size: 27px; }
  .character-block div > p:not(.character-label) { font-size: 14px; }
  .inline-link { margin-left: 0; }
  .timeline { grid-template-columns: 1fr; gap: 14px; }
  .timeline li { min-height: 0; padding: 23px; }
  .timeline li:not(:last-child)::after { content: "↓"; top: auto; bottom: -25px; right: 50%; color: #9ab9b6; }
  .timeline h3 { font-size: 18px; }
  .timeline p { font-size: 13px; }
  .year-heading { min-height: 48px; }
  .year-icon { width: 48px; height: 48px; }
  .year { font-size: 23px; }
  .message { padding-top: 42px; }
  .message-card { grid-template-columns: 1fr; text-align: center; padding: 29px 23px; }
  .message-photo { width: 140px; height: 140px; justify-self: center; }
  .message-card h3 { text-align: center; }
  .message-card blockquote { font-size: 14px; }
  .message-card > div > p { justify-content: center; }
  .comment-grid { grid-template-columns: 1fr; gap: 14px; }
  .support-comment { padding: 23px 21px; }
  .faq-grid { grid-template-columns: 1fr; gap: 10px; }
  .final-grid { grid-template-columns: 1fr; text-align: center; }
  .final-grid h2 { font-size: 24px; }
  .final-cta .cta { margin-inline: auto; }
  .footer-inner { flex-direction: column; }
  .footer nav { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cta { transition: none; }
}