in action on ayasasakura.com
.header-1 {
font-family: "Noto Sans JP", 游ゴシック, "Yu Gothic", YuGothic, "ヒラギノ角ゴシック Pro", "Hiragino Kaku Gothic Pro", メイリオ, Meiryo, sans-serif;
font-size: 32.06px;
font-style: normal;
font-weight: 400;
letter-spacing: 2px;
line-height: 48.09px;
text-transform: none;
color: #0A0C36;
}
.content-1 {
font-family: "Noto Sans JP", 游ゴシック, "Yu Gothic", YuGothic, "ヒラギノ角ゴシック Pro", "Hiragino Kaku Gothic Pro", メイリオ, Meiryo, sans-serif;
font-size: 16.0006px;
font-style: normal;
font-weight: 400;
letter-spacing: 0.4px;
line-height: 32.0012px;
text-transform: none;
color: #0A0C36;
}
Noto Sans JP is available from Google Web Fonts.
Found by @mikesten on 24 Jan 2021.