:root {
  --forest: #1C5A49; --forest-2: #2C7C69; --paper: #F1EBDF; --paper-2: #F8F4EC; --coral: #EE8A6C; --honey: #E4A63A;
  --ink: #1E2B25; --ink-2: #5C6660; --line: #DCD3C3; --white: #FFFDF8;
  --radius: 22px; --shadow: 0 12px 40px rgba(28, 90, 73, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", system-ui, sans-serif;
  font-weight: 500; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--forest); }
h1, h2, h3 { font-weight: 900; line-height: 1.35; margin: 0 0 .6em; letter-spacing: .02em; }
h1 { font-size: clamp(40px, 11vw, 76px); color: var(--forest); }
h2 { font-size: clamp(24px, 6.4vw, 36px); text-align: center; }
h3 { font-size: 21px; color: var(--forest); }
section { padding: 64px 20px; max-width: 1040px; margin: 0 auto; }
.sp { display: inline; }
@media (min-width: 760px) { .sp { display: none; } }

.bar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: rgba(241, 235, 223, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand img { height: 30px; width: auto; }

.btn { display: inline-block; background: var(--forest); color: var(--white); text-decoration: none; font-weight: 700; border: 0;
  padding: 16px 28px; border-radius: 999px; font-size: 17px; font-family: inherit; cursor: pointer; box-shadow: var(--shadow);
  transition: transform .15s ease, background .15s ease; }
.btn:hover { background: var(--forest-2); transform: translateY(-1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-small { padding: 9px 16px; font-size: 13px; box-shadow: none; }

.hero { display: grid; gap: 28px; align-items: center; padding-top: 40px; }
@media (min-width: 860px) { .hero { grid-template-columns: 1.1fr 1fr; padding-top: 72px; } }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; color: var(--forest); background: var(--white); border: 1px solid var(--line);
  padding: 4px 12px; border-radius: 999px; margin: 0 0 14px; }
.lead { font-size: clamp(18px, 4.8vw, 22px); font-weight: 700; margin: 0 0 4px; }
.sub { color: var(--ink-2); margin: 0 0 24px; }
.hero-art { position: relative; min-height: 360px; }
.hero-phone { width: min(68%, 320px); margin-left: auto; border-radius: 0 0 34px 34px; border: 8px solid #1d1d1f; border-top-width: 0; box-shadow: var(--shadow); background: var(--white); }
.hero-chan { position: absolute; left: 0; bottom: -10px; width: min(52%, 250px); filter: drop-shadow(0 10px 18px rgba(0,0,0,.12)); }

.pain { text-align: center; }
.chips { list-style: none; padding: 0; margin: 24px auto; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 640px; }
.chips li { background: var(--white); border: 2px solid var(--forest); color: var(--forest); font-weight: 700; padding: 8px 16px; border-radius: 999px; }
.note-center { color: var(--ink-2); max-width: 560px; margin: 0 auto; }

.how { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); margin: 0 16px; }
@media (min-width: 1072px) { .how { margin: 0 auto; } }
.steps { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 14px; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { display: flex; flex-direction: column; gap: 4px; background: var(--paper-2); border-radius: 18px; padding: 18px; }
.steps b { font-size: 17px; color: var(--forest); }
.steps span:not(.num) { color: var(--ink-2); font-size: 14px; }
.num { width: 34px; height: 34px; border-radius: 50%; background: var(--coral); color: var(--white); display: grid; place-items: center; font-weight: 900; }
.steps li:last-child { background: #E7F1EC; }

.pillar { margin: 40px 0; }
.pillar-text p { color: var(--ink-2); margin: 0; }
.screens { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(180px, 1fr); gap: 14px; overflow-x: auto; padding: 18px 2px 8px;
  scroll-snap-type: x mandatory; }
.screens figure { margin: 0; scroll-snap-align: center; text-align: center; }
.screens img { border-radius: 0 0 22px 22px; border: 6px solid #1d1d1f; border-top-width: 0; background: var(--white); }
.screens figcaption { font-weight: 700; color: var(--forest); margin-top: 6px; }
.pillar-row { display: grid; grid-template-columns: 110px 1fr; gap: 16px; align-items: center; background: var(--white); border-radius: var(--radius); padding: 18px; }
@media (min-width: 760px) { .pillar-row { grid-template-columns: 160px 1fr; padding: 24px 28px; } }
.pillar-art { width: 100%; border-radius: 16px; }

.video { text-align: center; }
.video video { width: min(100%, 360px); aspect-ratio: 9 / 16; border-radius: 24px; background: #000; box-shadow: var(--shadow); }
.fine { font-size: 12px; color: var(--ink-2); }

.faq details { background: var(--white); border-radius: 16px; padding: 4px 18px; margin: 10px auto; max-width: 720px; border: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; padding: 12px 0; color: var(--forest); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; color: var(--coral); }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin: 0 0 14px; color: var(--ink-2); }

.signup { text-align: center; background: var(--forest); color: var(--white); border-radius: var(--radius); margin: 40px 16px; position: relative; overflow: hidden; }
@media (min-width: 1072px) { .signup { margin: 40px auto; } }
.signup h2 { color: var(--white); }
.signup > p { color: #D8E8E1; margin: 0 0 18px; }
.signup-kun { width: 120px; margin: -10px auto 6px; }
#signup-form { display: grid; gap: 14px; max-width: 420px; margin: 0 auto; text-align: left; }
#signup-form label { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
#signup-form input[type=email], #signup-form select { font: inherit; padding: 14px 16px; border-radius: 14px; border: 2px solid transparent; background: var(--white);
  color: var(--ink); }
#signup-form input:focus, #signup-form select:focus { outline: none; border-color: var(--honey); }
#signup-form .check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
#signup-form .check a { color: #FFE4B0; }
#signup-form .btn { background: var(--coral); justify-self: center; margin-top: 4px; }
.form-msg { min-height: 1.5em; margin: 0; text-align: center; color: #FFE4B0; }

.foot { text-align: center; padding: 40px 20px 60px; color: var(--ink-2); }
.foot img { height: 26px; width: auto; margin: 0 auto 6px; }
.foot nav a { font-size: 13px; }